diff --git a/lib/BlockChypClient.php b/lib/BlockChypClient.php
index a289a7c..d76bfbb 100644
--- a/lib/BlockChypClient.php
+++ b/lib/BlockChypClient.php
@@ -57,7 +57,7 @@ class BlockChypClient
     const ROUNDING_MODE_NEAREST = 'nearest';
     const ROUNDING_MODE_DOWN = 'down';
   
-    const VERSION = '2.18.3';
+    const VERSION = '2.18.4';
 
     protected static $apiKey;